  <!--左侧导航-->
  <div class="sidebar">
    <ul>
      <?php
      foreach($nav[$caller['clg'][0]]['child'] as $value){
      ?>
      <li<?=($value['id']===$caller['clg'][1]?' class="current"':'')?>><a href="<?=$value['value']?>"><?=$value['name']?></a></li>
      <?php
      }
      ?>
    </ul>
  </div>